Buy PIR (Polyisocyanurate) Rigid Board Insulation

Specifically targeted at full fill cavity wall applications, Celotex CF5000 utilises the whole cavity width, optimising thermal performance through the wall, and achieving a lower U-value without having to widen the cavity.

CF5000 has been mechanically engineered with a rebated edge to eliminate the passage of moisture. Designed with installation efficiency in mind, CF5000 is easy to cut and comes in dimensions to fit with standard cavity wall tie spacing

Fibre free rigid polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides, with a Thermal Conductivity (lambda / λ value) of 0.021W/mK | Compressive strength (kPa) = ≥ 120 | Water vapour resistance (MNs/g) = > 150 seconds per gram.

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Specifically targeted at partial fill cavity wall applications Celotex CG5000 is a premium performance PIR solution. CG5000 represents pioneering advancement within the PIR industry, uniquely offering superior performance in terms of combined thermal efficiency, sustainability and fire performance. Suitable to be used on fully sealed metal, timber and concrete decks.

Fibre free rigid polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides, with a Thermal conductivity / Lambda value (W/mK) = 0.022 | Compressive strength (kPa) = ≥ 15water0 | Water vapour resistance (MNs/g) = > 150

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Crown-Bond is a purpose designed rigid polyisocyanurate (PIR) flat roofing insulation board for use in single-ply membrane applications where the single-ply membrane is to be adhered.

Fibre free rigid polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides, with a Thermal conductivity / Lambda value (W/mK) = 0.022 | Compressive strength (kPa) = ≥ 150 | Water vapour resistance (MNs/g) = > 150

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Crown-Fix is a purpose designed rigid polyisocyanurate (PIR) flat roofing insulation board use in single-ply membrane applications where the single-ply membrane is to be mechanically fixed to the deck with fully bonded systems or mechanical or thermally broken fasteners

Fibre free rigid polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides, with a Thermal conductivity / Lambda value (W/mK) = 0.022 | Compressive strength (kPa) = ≥ 150 | Water vapour resistance (MNs/g) = > 150

Crown-Up is a purpose designed rigid polyisocyanurate (PIR) flat roofing insulation board for use in built-up flat roof applications such as hot applied pour and roll or mastic asphalt systems, Secured to the deck with fully bonded systems or mechanical or thermally broken fasteners.

Mineral coated glass tissue facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = <80mm – 0.027W/mK80–119mm – 0.026W/mK≥120mm – 0.025W/mK | Compressive strength (kPa) = ≥ 150 | Water vapour resistance (MNs/g) = > 150

Celotex CW4000 boards are reinforced with glass fibres, and aimed specifically at partial fill cavity walls, and general applications that benefit from the use of smaller board sizes.

Mineral coated glass tissue facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = 0.022| Compressive strength (kPa) = ≥ 150 | Water vapour resistance (MNs/g) = > 150

FI5000 provides thermal performance benefits and has been designed with installation efficiency in mind. FI5000 combines best in class PIR insulation with an innovative composite facer featuring a built-in vapour control layer (VCL), enabling direct screed, without the need for an additional separating layer, and features an enhanced compressive strength value of ≥175 kPa making it the ideal solution for a range of flooring applications.

Mineral coated glass tissue facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK)  = 0.021 | Compressive strength (kPa) = ≥ 175 | Water vapour resistance (MNs/g) = > 150

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Celotex FR5000 is a new revolutionary fire resistant PIR insulation board specifically aimed at pitched roof and wall applications requiring Class 'O' fire rated performance. It is also entirely suitable for other applications, where improved fire performance is a requirement.

Developed specifically for use in pitched roofs, floors and walls, FR5000 is over 100% more thermally efficient than many mineral fibre products and up to 10% better than typical PIR.

Mineral coated glass tissue facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = 0.021 | Compressive strength (kPa) = ≥ 120 | Water vapour resistance (MNs/g) = > 150

Our Prices are currently being revised – please contact us for the latest prices

GA4000 boards are entirely suitable for a number of applications including roof, wall and floor systems. This multi-purpose rigid polyisocyanurate foam (PIR) thermal insulation board with reflective foil facings, is uniquely reinforced with glass-fibre and feature strong reaction-to-fire performance when measured in accordance with new European Standards.

Common applications include, Basements, Beam and Block Floors, Upgrading Concrete Slab Floors, Ventilated Lead Covering, Between Rafters, Between and Under Rafters, Between and Over Rafters, Between and Under Joists, Balconies and Terraces, Timber Frame Wall Lining, Timber Frame Walls Sheathing, Suspended Timber Floors, Steel Stud Frame Walls, Single Timber Frame Wall Lining, Rainscreen cladding, Pitched Roof Sarking, Concrete Slab Floors, Loft Conversions, Loft Insulation, Garage Conversions.

Thermal conductivity / Lambda value (W/mK) = 0.022 | Compressive strength (kPa) = ≥ 140 | Water vapour resistance (MNs/g) = > 150 | Fire performance Class 1 in accordance with BS 476 Part 7.

GD5000 is purpose designed for providing thermal insulation and plasterboard as one product, offering better U Values and thinner solutions in both mechanically fixed and / or dot and dab solid wall upgrades and other dry-lining applications.

GD5000 can be specified for use in a variety of applications including: The "underneath" layer of insulation in 'between and under' rafter and joist applications Solid masonry walls Timber frame lining applications

Comprises premium PIR insulation bonded to 9.5mm tapered edge plasterboard, with textured aluminium foil facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = 0.021 | Compressive strength (kPa) = ≥ 120 | Fire resistance Euroclass B-s1,d0.

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PL4000 is purpose designed for providing thermal insulation and plasterboard as one product, and is suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques. It can be used in a variety of applications including the "underneath" layer of insulation in 'between and under' rafter and joist applications Solid masonry walls, and timber frame lining applications.

PL4000 comprises polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK, bonded to a layer of 12.5mm tapered edge plasterboard.

Thermal conductivity / Lambda (W/mK) = 0.022 | Compressive strength (kPa) =≥ 120 | Water vapour resistance (MNs/g) = N/A | Fire performance Euroclass B-s1,d0 in accordance with BS EN13501-1. Please Note: R-Value = Thermal Resistance; U Value = Thermal Transmittance Co-efficient; Compressive strength = kiloPascals; Vapour resistance = MegaNewton seconds per gram.

RS5000 is specifically designed for use in rainscreen cladding systems for both new build and refurbishment projects, featuring a super low lambda value of 0.021W/mK. It offers enhanced thermal performance and is the first PIR insulation board to successfully test to BS8414-2:2005 for use in buildings above 18 metres in height. It also has Class 0 fire performance throughout the entire product.

Mineral coated glass tissue facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = <80mm – 0.027W/mK80–119mm – 0.026W/mK≥120mm – 0.025W/mK | Compressive strength (kPa) = ≥ 150 | Water vapour resistance (MNs/g) = > 150

Our Prices are currently being revised – please contact us for the latest prices

SL5000 is specifically designed for soffit liner applications. It is a premium performance PIR solution. Through ongoing product innovation and breakthrough design, SL5000 represents pioneering progression within the PIR market combining premium performance PIR insulation bonded to 6mm calcium silicate. Resulting in greater impact resistance compared to exposed insulation systems, while providing a decorative finish with no need for on-site decorating.

Thermal conductivity / Lambda value (W/mK) = 0.021 | Compressive strength (kPa) = ≥ 120 | Dimensional stability (70,90)3 - DS(-20.-)1. | Water vapour resistance (MNs/g) = > 100 | Fire propagation BS 476: Part 6 = Pass | Surface spread of flame BS 476: Part 7 = Class 1

PIR insulation boards specifically designed to eliminate thermal bridges, are easy to cut and shape and are commonly used in conjunction with appropriate internal lining boards, to improve the thermal insulation of existing and new, pitched roofs, solid or cavity masonry walls, or timber-frame walls, and floor up-stand insulation.

Composite foil facings on both sides, cover a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = 0.022 | Compressive strength (kPa) = ≥ 120 | Water vapour resistance (MNs/g) = > 150

US4000 high performance floor perimeter upstand insulation designed to limit the thermal bridge at floor junctions, that has been specifically created for use in concrete slab, beam & block and underfloor heating flooring applications when using Celotex FI5000 floor insulation.

25mm fibre free rigid polyisocyanurate (PIR) insulation core with composite facings on both sides, with a Thermal conductivity / Lambda value (W/mK) = 0.022| Compressive strength (kPa) = ≥ 120

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Celotex XR4000 is a multi-purpose PIR insulation board that enables lower U-values to be achieved with a single layer of insulation. The 200mm thick product, XR4200 positions Celotex as the manufacturer with the broadest range of product thicknesses from 12mm-200mm.

Composite aluminium foil facings on both sides and a fibre free rigid polyisocyanurate (PIR) insulation core, with a Thermal conductivity / Lambda value (W/mK) = 0.022 | Compressive strength (kPa) = ≥ 120 | Water vapour resistance (MNs/g) = > 150 | Fire performance Class 1 in accordance with BS 476 Part 7.